what is an example of extraterrestrial radiation
what is the average equivalent dose

cosmic radiation

intensifies with altitude; atmosphere and magnetic field acts as a shield

0.3mSv

what is internal radiation
list some examples

naturally existing radiation in the body due to ingestion or inhalation

K+-40

carbon-14

hydrogen-3

strontium-90

what is manmade (artificial) radiation

air travel

consumer products

nuclear fuel

medical radiation

nuc weapons and bombs

what are the two largest sources of manmade radiation

medical xray and nuclear medicine

if a person spends 10 hours flying aboard a commercial aircraft during a period of normal sunspot activity the dose of radiaition received is equivalent to _____

a chest xray

what is one thing that BERT does not do or nit an advantage of

Bert does not imply exact radiation risk

what is the bert for a chest radiograph

10 days

the NCRP report 93 from 2006 states that the main cause associated with the new annual background radiation dose is the increased in what studies

CT studies

State one example of how occupational radiation exposure of imaging personnel could be minimized

reduce the time spent when in a room during certain exams like fluoro

in the electromagnetic spectrum higher frequencies are associated with what wavelengths and energies:

shorter wavelengths and higher energies

what reason is not true concerning alpha particles

alpha particles are highly penetrable which is false

List one statement that is not true about a component of the TRACE program

a cut off of radiation after 3Gy

which principle can be used to answer a patients a questions regarding the amount of radiation reeived

BERT

T OR F
Sievert and rem are the units of equivalent dose and effective dose

T

the NCRP report No 93 states that medical use (nuclear Medicine.CT Fluoro interventional and conventional radiography) now makes up ____ % of total collective dose for the population of the united states

48%

T or F
according to NCRP Report No 160 the majority of natural background radiation exposure comes from exposure to consumer products

false

The CURRENT annual ionizing radiation exposure from both manmade and natural sources to the population of the united states is ______ mrem